- Science, Humanities and Social Sciences, multidisciplinary 15,594
- Science, multidisciplinary 15,048
- Cell Biology 6,690
- Life Sciences, general 6,590
- Internal Medicine 5,739
- Medicine/Public Health, general 5,464
- Oncology 5,215
- Cancer Research 5,203
- Biomedicine, general 4,764
- Immunology 3,814
- Biochemistry, general 3,615
- Biotechnology 2,746
- Microbial Genetics and Genomics 2,732
- Microbiology 2,397
- Molecular Medicine 2,395
- Quantum Field Theories, String Theory 2,373
- Elementary Particles, Quantum Field Theory 2,338
- Nanotechnology 2,338
- Stem Cells 2,262
- Plant Genetics and Genomics 2,219